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Mathematics 11 Online
OpenStudy (anonymous):

A data set with a normal distribution has a mean of 28 and a standard deviation of 4. Let x be a randomly selected observation from the data set. Find the following: a) P(x≥32) b) P(20≥x≥28) c) P(x ≤16)

OpenStudy (tkhunny):

Calculate the associated Z-Score and you'll nearly be done.

OpenStudy (anonymous):

So for a it would be z=1, right?

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